Sentey® Bluetooth Speaker B-Trek S2 (PINK) up 6 Hours – Built-in Mic for Handsfree- 10 Meter – 33 Foot Range – Rechargeable & Removable Lithium Ion Battery – Wireless – Mini Size – AUX Line in & microSD Card Slot Allows Music Playback From Various Sources / Works for Iphone, Ipad Mini, Ipad 4/3/2, Itouch, Blackberry, Nexus, Samsung and Other Smart Phones and Mp3 Players